Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
External Controls (Description and Operation)
The transmission shift cable transfers the transmission operating mode from
the gearshift lever to the
automatic transmission (7003). The indicated position of the transmission floor
mounted selector lever
is transferred to the transmission through the cable ...
Pinpoint Tests
CAUTION: Before removing and installing the generic electronic
module (GEM) or its
connectors, disconnect the battery. Failure to follow this caution will
result in the GEM storing
many erroneous DTCs, and it may exhibit erratic operation after
in ...
Engine Coolant Temperature (ECT) Sensor - Cobra
Material
Item
Specification
Pipe Sealant with Teflon
D8AZ-19554-A
WSK-M2G350-A2
Removal and Installation
1. Partially drain the engine cooling system. For additional
information, refer to Section.
2. Disconnect the engine coolant te ...
